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Table 6 Morphometrics of Paracanthonchus olgae sp. n. from the site Rainbow

From: Free-living nematode species (Nematoda) dwelling in hydrothermal sites of the North Mid-Atlantic Ridge

Character Males Females
Holotype n Min–max Mean SD CV n Min–max Mean SD CV
L 1595 21 1300–1780 1575 145 9.22 12 1445–1850 1600 142 8.89
a 29.0 21 24.6–37.9 32.2 3.76 11.7 8 26.7–33.3 29.0 2.50 8.61
b 5.66 21 5.01–6.78 5.82 0.40 6.87 10 5.43–6.72 6.01 0.42 6.99
c 12.5 20 10.5–13.6 12.0 0.78 6.51 10 10.7–13.4 11.9 0.72 6.06
c 2.44 20 2.44–3.40 3.11 0.23 7.70 8 3.20–4.71 4.14 0.51 12.3
V % 12 50.4–61.9 53.9 3.02 5.60
Body diameter at level of cephalic setae 21 21 19.0–25.0 22.4 1.68 7.51 8 21.5–26.0 23.0 1.57 6.84
Body diameter at level of nerve ring 43 21 35.6–49.0 40.8 3.04 7.44 8 39.0–47.0 41.9 2.69 6.42
Body diameter at level of cardia 50 21 37.0–55.0 47.6 4.72 9.91 8 42.5–58.0 48.7 5.67 11.6
Midbody diameter 55 21 38.0–62.0 50.2 6.30 12.5 8 50.0–65.0 57.3 4.98 8.69
Anal body diameter 47 21 36.5–47.0 42.1 3.11 5.52 8 32.0–36.0 33.8 1.58 4.68
Spicule’s length along arch 58.5 21 44.5–64.0 57.3 4.33 7.55
Gubernaculum’s length 50 21 42.0–69.0 54.7 6.19 11.3
  1. Measures in µm except for ratios